Index: uspace/lib/drv/include/ops/hw_res.h
===================================================================
--- uspace/lib/drv/include/ops/hw_res.h	(revision 2fd26bbb5577f592b70747a25fba122b01bb9559)
+++ uspace/lib/drv/include/ops/hw_res.h	(revision 33f86a3f832f902f56ec98dab6a41d9841df0947)
@@ -44,5 +44,5 @@
 typedef struct {
 	hw_resource_list_t *(*get_resource_list)(ddf_fun_t *);
-	bool (*enable_interrupt)(ddf_fun_t *);
+	int (*enable_interrupt)(ddf_fun_t *, int);
 	int (*dma_channel_setup)(ddf_fun_t *, unsigned, uint32_t, uint32_t, uint8_t);
 	int (*dma_channel_remain)(ddf_fun_t *, unsigned, size_t *);